CVE-2023-2143Public exploitNetwork attack vector

Stored XSS via unsanitized SVG uploads

Published Jul 17, 2023 · Updated Oct 30, 2024

Stored XSS in ideasToCode Enable SVG, WebP, and ICO Upload 1.0.3 and earlier allows remote authenticated users to inject scripts via SVG uploads. The upload path accepts SVG files without sanitizing embedded script elements or event handlers, then serves the stored file to site visitors. Author-level access is required to upload the crafted SVG, and the script executes only when another user opens the uploaded file.

CVSS severity5.4
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in ideasToCode Enable SVG, WebP, and ICO Upload 1.0.3 and earlier allows remote authenticated users to inject scripts via SVG uploads. The upload path accepts SVG files without sanitizing embedded script elements or event handlers, then serves the stored file to site visitors. Author-level access is required to upload the crafted SVG, and the script executes only when another user opens the uploaded file.

The record

CVE
CVE-2023-2143
Published
Jul 17, 2023
Updated
Oct 30, 2024
Vendor
ideasToCode
Product
Enable SVG, WebP, and ICO Upload
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 17, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 30, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.0.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ideasToCode · Enable SVG, WebP, and ICO Uploadversion=0 <=1.0.3

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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